class Student(object):
    def __init__(self, name, score):
        self.__name = name
        self.__score = score

#     def print_score(self):
#         print('%s: %s' % (self.__name, self.__score))


# bart = Student('Bart Simpson', 59)
# print(bart.score)
# bart.score = 99
# print(bart.score)


# bart = Student('Bart Simpson', 59)
# bart.__name

# bart = Student('Bart Simpson', 59)
# bart.get_name()



class Animal(object):
    def run(self):
        print('Animal is running...')

# class Dog(Animal):
#     pass

# class Cat(Animal):
#     pass

# dog = Dog()
# dog.run()

# cat = Cat()
# cat.run()
